Andrew M. Mason

Andrew M. Mason is a Partner in Klarquist’s Portland office whose practice covers all aspects of patent law, with a focus on litigation and USPTO post-grant review proceedings. He has argued before the Federal Circuit, the Patent Trial and Appeal Board, and federal district courts. His work includes patent disputes, post-grant proceedings, prosecution, and global litigation strategy. He is a registered patent attorney with a background in circuit design.

Mason earned a J.D. from the University of Minnesota Law School and a B.S. in Electrical Engineering & Computer Science from the University of California, Berkeley. His engineering education and prior circuit-design experience provide a technical foundation for patent work involving electronic design automation, telecommunications, network infrastructure, media codecs, and control systems. That background supports his ability to evaluate complex technologies and present technical patent issues in litigation and administrative proceedings.

Mason has prosecuted patents and handled patent disputes involving sophisticated electrical and computer technologies. His practice includes USPTO post-grant reviews, federal district court litigation, and Federal Circuit appellate work. He also has extensive experience coordinating with foreign counsel on global patent litigation strategies and has participated in patent trials in Germany and the United Kingdom. He joined Klarquist as a lateral associate in 2011 and became a partner in 2017.

Andrew M. Mason is admitted in Oregon, registered before the US Patent and Trademark Office, and admitted to several federal courts, including the Federal Circuit. His practice combines technical engineering knowledge with litigation and appellate experience, allowing him to assist clients through patent disputes from administrative review to federal court. He helps technology-focused clients protect and defend patent rights while addressing complex technical records, procedural requirements, and coordinated international litigation strategies.

Law Office Affiliations

• Partner, Klarquist Sparkman, LLP
• Member, Oregon State Bar
• Member, Minnesota State Bar Association
• Co-Chair |, Federal Circuit Bar Association PTO Committee (2022-2024)
• Salishan Patent Law Conference, Chair, Oregon Patent Law Association (2016)

Licensed State

• Oregon
• Minnesota

Education

• University of Minnesota Law School
  Juris Doctor (JD)
• University of California, Berkeley
  Bachelor of Science (BS) in Electrical Engineering & Computer Science

Awards & Badges